Essentials of the SI: base and derived units

Length

Metre

m

Mass

Kilograms

k

Time

Seconds

s

Electric current

Amperes

A

Thermodynamic temperature

Kelvin

K

Amount of substance

Moles

mol

Luminous intensity

Candela

cd

peta

P

10^15

tera

T

10^12

giga

G

10^9

mega

M

10^6

kilo

k

10^3

centi

c

10^-2

milli

m

10^-3

micro

μ

10^-6

nano

n

10^-9

pico

p

10^12

femto

f

10^15